Although it ascended into the primary system years ago, some of the old signs identifying Guess Road as SR 1008 remain. Bicycle routes U.S. Bicycle Route 1: Carolina Connection North Carolina Bicycle Route 2: Mountains to Sea North Carolina Bicycle Route 3: Ports of Call North Carolina Bicycle Route 4: North Line Trace North Carolina Bicycle Route 5: Cape Fear Run North Carolina Bicycle Route 6: Piedmont Spur North Carolina Bicycle Route 7: Ocracoke Option North Carolina Bicycle Route 8: Southern Highlands Sandhills Sector Toll roads and bridges Monroe Expressway: toll road in Union County designated as a bypass route for U.S. Route 74 in Union County. Triangle Expressway: first modern toll road in North Carolina, located in Durham and Wake counties. Other routes and highways All American Freeway: a secondary road freeway connecting Fort Bragg with central Fayetteville. Blue Ridge Parkway: a two-lane National Parkway and All-American Road, that traverses from the Great Smoky Mountains National Park to the Virginia state line. Bryan Boulevard: a freeway spur from I-73 to downtown Greensboro. Cary Parkway: a partial ring road that travels northern, western and central portions of Cary and giving west Cary residents easy access to US 1. Charlotte Route 4: a partial ring road that is signed by Charlotte DOT. Cherohala Skyway: a National Scenic Byway, located west of Robbinsville. Great Smoky Mountains Expressway: a four-lane divided highway in southwestern North Carolina; broken in three section along US 74, between Bryson City and Clyde. Greensboro Urban Loop: a beltline around Greensboro that once completed will be used for routing four Interstate highways. Greenville Southwest Bypass: local name used to describe most of the bypass route of NC 11 that connects NC 11 near Ayden to Interstate 587 west of Greenville in Pitt County. Wade Avenue: a route uses a freeway grade to connect I-40 to I-440/US 1, and an arterial grade to connect to U.S. 401 in Raleigh. Wendover Avenue: a route that traverses through Greensboro, from NC 68 to US 70. Most of the road is an expressway with a few boulevard stretches in High Point and when entering Greensboro. Silas Creek Parkway: a partial loop that travels through western Winston-Salem. Much of the road is an expressway with a boulevard grade on a few stretches. The majority of the road carries NC 67. History The original highway numbering system for North Carolina was established in the 1920s.